// graph-tool -- a general graph modification and manipulation thingy
//
// Copyright (C) 2006-2020 Tiago de Paula Peixoto <tiago@skewed.de>
//
// This program is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option) any
// later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

#include "graph_python_interface.hh"
#include "graph_filtering.hh"
#include "graph.hh"
#include "graph_selectors.hh"
#include "graph_properties.hh"

#include <boost/mpl/push_back.hpp>
#include <boost/python.hpp>

#include "graph_community_network.hh"

using namespace std;
using namespace boost;

using namespace graph_tool;

typedef UnityPropertyMap<int,GraphInterface::edge_t> no_eweight_map_t;
typedef eprop_map_t<int32_t>::type ::unchecked_t ecount_map_t;

struct get_community_network_edges_dispatch
{
    get_community_network_edges_dispatch(bool self_loops, bool parallel_edges)
        : _self_loops(self_loops), _parallel_edges(parallel_edges) {}
    bool _self_loops;
    bool _parallel_edges;

    template <class Graph, class CommunityGraph, class CommunityMap,
              class EdgeWeightMap, class EdgeIndex>
    void operator()(const Graph& g, CommunityGraph& cg, EdgeIndex cedge_index,
                    CommunityMap s_map, boost::any acs_map,
                    EdgeWeightMap eweight, boost::any ecount) const
    {
        typename CommunityMap::checked_t cs_map = boost::any_cast<typename CommunityMap::checked_t>(acs_map);

        typedef typename boost::mpl::if_<std::is_same<no_eweight_map_t, EdgeWeightMap>,
                                         ecount_map_t, EdgeWeightMap>::type eweight_t;

        typename eweight_t::checked_t edge_count = boost::any_cast<typename eweight_t::checked_t>(ecount);
        get_community_network_edges()(g, cg, cedge_index, s_map,
                                      cs_map, eweight, edge_count,
                                      _self_loops, _parallel_edges);
    }
};


void community_network_edges(GraphInterface& gi, GraphInterface& cgi,
                             boost::any community_property,
                             boost::any condensed_community_property,
                             boost::any edge_count, boost::any eweight,
                             bool self_loops, bool parallel_edges)
{
    typedef boost::mpl::push_back<writable_edge_scalar_properties, no_eweight_map_t>::type
        eweight_properties;

    if (eweight.empty())
        eweight = no_eweight_map_t();

    run_action<>()
        (gi,
         [&](auto&& graph, auto&& a2, auto&& a3)
         {
             return get_community_network_edges_dispatch(self_loops,
                                                         parallel_edges)(
                 std::forward<decltype(graph)>(graph), cgi.get_graph(),
                 cgi.get_edge_index(), std::forward<decltype(a2)>(a2),
                 condensed_community_property, std::forward<decltype(a3)>(a3),
                 edge_count);
         },
         writable_vertex_properties(),
         eweight_properties())(community_property, eweight);
}
